Issue template updates (#132)

* Direct users to awesome-kedro for community content

See kedro-org/kedro-devrel#40

* Fix links on GitHub issue templates

.github/ISSUE_TEMPLATE/config.yml

@@ -1,11 +1,11 @@
 blank_issues_enabled: false
 contact_links:
-  - name: Discord server
+  - name: Slack workspace
     about: Come chat with the community!
-    url: https://discord.gg/akJDeVaxnB
+    url: https://slack.kedro.org
   - name: Documentation
-    url: https://kedro.readthedocs.io/en/stable/
+    url: https://docs.kedro.org
     about: To learn more about how Kedro works
-  - name: Case studies, articles and video tutorials
-    url: https://github.com/kedro-org/kedro-community
+  - name: Plugins, extensions, case studies, articles, and video tutorials
+    url: https://github.com/kedro-org/awesome-kedro
     about: Community-generated content, project examples and video tutorials